I gave the cats their nightly treat, tried to rise from the floor, lost my grip, and fell to the floor, luckily missing the cat tree and the bed frame. And there i lay, flat on my back, locked inside an apartment and unable to rise. The legs are useless. I panicked and began to yell for help, then wept in frustration. i did push myself out into the small space between bed and computer table, still calling for help.